Ferrite ball magnets are small, spherical magnets made of ferrite material. They have a diameter of 5mm and are commonly used in a variety of applications including sensors, motors, generators, and speakers. Ferrite ball magnets are strong and durable, with good resistance to demagnetization. They are also affordable and have good temperature stability.

This polished D5 sphere magnet are great to play and experiment with. They are strong, cheap and just the right size for the human hands to handle easily.